CN103702394A - Receiving method for system information of cells, user equipment and communication system - Google Patents
Receiving method for system information of cells, user equipment and communication system Download PDFInfo
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- CN103702394A CN103702394A CN201310723957.4A CN201310723957A CN103702394A CN 103702394 A CN103702394 A CN 103702394A CN 201310723957 A CN201310723957 A CN 201310723957A CN 103702394 A CN103702394 A CN 103702394A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a receiving method for system information of cells, user equipment and a communication system. The receiving method comprises the following steps: the user equipment receives main information blocks and scheduling blocks in the system information of cell broadcast, and the system information is transmitted on a group of wireless frames by a preset circulating period; scheduling information which is borne into the main information blocks and the scheduling blocks and is used for scheduling scheduling information of all the system information blocks in the system information is obtained, and comprises initial positions and scheduling periods of the system information blocks in the preset circulating period; the corresponding wireless frames at the initial positions of the system information blocks receive the system information blocks, and other wireless frames enter a dormant state. By implementation of the receiving method, the user equipment and the communication system, the problem that the receiving process of the system information cannot be optimized in the prior art can be solved.
Description
Technical field
The present invention relates to wireless communication technology field, specifically relate to a kind of method of reseptance of cell system message, also relate to a kind of subscriber equipment, also relate in addition a kind of communication system.
Background technology
At 3G(3rd-generation, 3G (Third Generation) Moblie technology) in network, subscriber equipment, after start, first needs to search net flow process.This searches the general process of net flow process: search a suitable community, according to the system message of this community, judge whether this community meets resident condition, if meet resident condition, reside in this community.
System message comprises MIB(master information block, Master Information Block), SB(scheduling block, Scheduling Block) and other SIB(system information block, system information block).Subscriber equipment needs after whole receiving system message, could the normal Radio Resource that uses community to provide.
Consulting Fig. 1, is a kind of state flow chart that receives the system message of community of prior art.This flow process comprises: step S101: subscriber equipment and broadcasting equipment are set up broadcast channel; Step S102: the system message of broadcasting equipment broadcast cell on broadcast channel; Step S103: subscriber equipment receives the system message on broadcast channel; Step S104: subscriber equipment judges whether system message receives; Step S105: if received, subscriber equipment discharges broadcast channel, if do not received, continues execution step S103.After system message receives, just enter and judge whether this community meets the stage of resident condition.
The present inventor finds in long-term research and development: when the scheme of employing prior art is carried out receiving system message, due to receiving course that cannot optimization system message, institute, so that begin to cause power dissipation ratio larger to whole all in blindness receiving system message, makes the limited electric quantity consumption of subscriber equipment too fast.
Summary of the invention
In view of this, the invention provides a kind of method of reseptance, subscriber equipment and communication system of cell system message, to solve the problem of the receiving course that prior art can not optimization system message.
For addressing the above problem, first aspect present invention provides a kind of method of reseptance of cell system message, comprise: Master Information Block and Scheduling Block in the system message of subscriber equipment reception Cell Broadcast CB, described system message is transmitted with predetermined duty cycle in one group of radio frames; Obtain be carried in described Master Information Block and described Scheduling Block for dispatching the schedule information of described each system information block of system message, described schedule information is included in initial position and the dispatching cycle of described system information block in described predetermined duty cycle; In radio frames corresponding to the initial position of described system information block, receive described system information block, in other radio frames, enter resting state.
In conjunction with first aspect, in the possible implementation of the first of first aspect, what described schedule information further comprised described system information block repeats to receive number of times,, before radio frames corresponding to the initial position of described system information block receives the step of described system information block, described method of reseptance also comprises: according to the initial position of described system information block and determine the repeatable position of described system information block dispatching cycle; The described step that receives described system information block at System Frame Number corresponding to described initial position also comprises: according to described system information block repeat receive number of times and receive described system information block in radio frames corresponding to the repeatable position of described system information block.
In conjunction with first aspect, in the possible implementation of the second of first aspect, described system information block has a plurality of segmentations, described schedule information further comprises segmentation number and the segmentation sequence of described system information block, and the initial position of described system information block comprises the initial position of described each segmentation.Be the dispatching cycle of described system information block the dispatching cycle of described each segmentation, the described step that receives described system information block in radio frames corresponding to the initial position of described system information block comprises: judge whether described segmentation sequence is ascending order; If described segmentation sequence is ascending order, in radio frames corresponding to the initial position of described each segmentation, receive described each segmentation.
In conjunction with the possible implementation of the second of first aspect, in the third possible implementation of first aspect, the described step that receives described system information block in radio frames corresponding to the initial position of described system information block also comprises: if described segmentation sequence is not ascending order, according to described segmentation sequence, determine the reception number of times of described each segmentation, and according to the repeatable position of the initial position of described each segmentation and definite described each segmentation dispatching cycle; According to the reception number of times of described each segmentation, in initial position and the radio frames corresponding to repeatable position of described each segmentation, receive described each segmentation.
In conjunction with first aspect or its first to the third any possible implementation, in the 4th kind of possible implementation of first aspect, described method of reseptance also comprises: if the quantity of the described system information block not receiving is less than the lasting time of reception of first threshold or described system message, be greater than Second Threshold, the system information block not receiving described in receiving in radio frames corresponding to the initial position of the described system information block not receiving, enters resting state in other radio frames.
For addressing the above problem, second aspect present invention provides a kind of subscriber equipment, comprise receiver module, acquisition module and control module, wherein, described receiver module is for receiving Master Information Block and the Scheduling Block of the system message of Cell Broadcast CB, and described system message is transmitted with predetermined duty cycle in one group of radio frames; Described acquisition module for obtain be carried on described Master Information Block that described receiver module receives and described Scheduling Block for dispatching the schedule information of described each system information block of system message, described schedule information is included in initial position and the dispatching cycle of described system information block in described predetermined duty cycle; Described control module receives described system information block for controlling described receiver module in radio frames corresponding to the initial position of described system information block, controls described receiver module enter resting state in other radio frames.
In conjunction with second aspect, in the possible implementation of the first of second aspect, what described schedule information further comprised described system information block repeats to receive number of times, described subscriber equipment also comprises determination module, and described determination module is for according to the initial position of described system information block and determine the repeatable position of described system information block dispatching cycle; Described control module also for according to described system information block repeat receive number of times and in radio frames corresponding to the repeatable position of described system information block, control described receiver module and receive described system information block.
In conjunction with second aspect, in the possible implementation of the second of second aspect, described system information block has a plurality of segmentations, described schedule information further comprises segmentation number and the segmentation sequence of described system information block, and the initial position of described system information block comprises the initial position of described each segmentation.Be the dispatching cycle of described system information block the dispatching cycle of described each segmentation, described control module comprises judging unit and control unit, and wherein, described judging unit is used for judging whether described segmentation sequence is ascending order; When described control unit is ascending order for determine described segmentation sequence at described judging unit, in radio frames corresponding to the initial position of described each segmentation, control described receiver module and receive described each segmentation, in other radio frames, control described receiver module and enter resting state.
In conjunction with the possible implementation of the second of second aspect, in the third possible implementation of second aspect, described control module also comprises determining unit, when described determining unit is not ascending order for determine described segmentation sequence at described judging unit, according to described segmentation sequence, determine the reception number of times of described each segmentation, and according to the repeatable position of the initial position of described each segmentation and definite described each segmentation dispatching cycle; Described control unit also, for receiving described each segmentation according to the reception number of times of definite described each segmentation of described determining unit in initial position and the radio frames corresponding to repeatable position of described each segmentation, is controlled described receiver module in other radio frames and is entered resting state.
In conjunction with second aspect or its first to the third any possible implementation, in the 4th kind of possible implementation of second aspect, when the lasting time of reception that described control module is also less than first threshold or described system message for the quantity of the described system information block not receiving is greater than Second Threshold, in the radio frames corresponding to initial position of the described system information block not receiving, control the system information block that described receiver module does not receive described in receiving, in other radio frames, control described receiver module and enter resting state.
For addressing the above problem, third aspect present invention provides a kind of communication system, and described communication system comprises above-mentioned any subscriber equipment.
The method of reseptance of cell system message of the present invention, subscriber equipment and cell communication systems are when receiving the system message of community, by the Master Information Block in system message and Scheduling Block, obtain the schedule information of each system information block, schedule information is included in initial position and the dispatching cycle of the interior system information block of predetermined duty cycle of system message, system information block can only receive in radio frames corresponding to initial position, and other time enter resting state, because system information block is not blindly to receive in the receiving course of whole system message, thereby solve the problem of the receiving course that prior art can not optimization system message, can reduce power consumption, and can additionally not increase the time of reception of system message.
Accompanying drawing explanation
Fig. 1 is a kind of state flow chart that receives the system message of community of prior art;
Fig. 2 is the schematic flow sheet of method of reseptance first execution mode of cell system message of the present invention;
Fig. 3 is the schematic flow sheet of method of reseptance second execution mode of cell system message of the present invention;
Fig. 4 is the schematic flow sheet of method of reseptance the 3rd execution mode of cell system message of the present invention;
The scheduling schematic diagram of a kind of application example of system message of Tu5Shi community;
Fig. 6 is the structural representation of subscriber equipment the first execution mode of the present invention;
Fig. 7 is the structural representation of subscriber equipment the second execution mode of the present invention;
Fig. 8 is the structural representation of subscriber equipment of the present invention the 3rd execution mode;
Fig. 9 is the structural representation of subscriber equipment of the present invention the 4th execution mode.
Embodiment
In below describing, in order to illustrate rather than in order limiting, to have proposed the detail such as particular system structure, interface, technology, to thoroughly cut, understand the present invention.Yet, not it will be clear to one skilled in the art that in there is no other execution mode of these details and can realize the present invention yet.In other situation, omit the detailed description to well-known device, circuit and method, in order to avoid unnecessary details hinders description of the invention.
Below in conjunction with accompanying drawing and concrete execution mode, describe.
Consulting Fig. 2, is the schematic flow sheet of method of reseptance first execution mode of cell system message of the present invention.The method of reseptance of cell system message comprises the following steps:
S21: Master Information Block and Scheduling Block in the system message of subscriber equipment reception Cell Broadcast CB, system message is transmitted with predetermined duty cycle in one group of radio frames.
Wherein, system message comprises Master Information Block, Scheduling Block and system information block.Master Information Block is for the schedule information of bearing system block of information, and Scheduling Block is used for the schedule information of carrying remaining system information block, and system information block comprises concrete data.System message is carried in one group of radio frames, can be by BCH(broadcast channel, broadcast channel) broadcast.BCH is a kind of one direction control channel, the outside common information of broadcast cell, it is by FCCH(frequency correction channel, frequency correction channel), SCH(synchronization channel, synchronizing channel), BCCH(broadcast control channel, Broadcast Control Channel) form.
System message can pass through ASN.1(Abstract Syntax Notation One, abstract syntax notation one when sending) be carried in radio frames after encoding, after receiving system message radio frames, need to carry out ASN.1 decoding to system message so
Radio frames is as carrier, each radio frames has a SFN(system frame number, System Frame Number), each system message, be that Master Information Block, Scheduling Block and system information block can be associated with one or more SFN, for example, in certain embodiments, a system message can be corresponding to two SFN, and a system message is carried by two radio frames.The predetermined duty cycle of system message can be characterized by the SFN of radio frames, that is to say, a corresponding SFN of predetermined duty cycle numbers from 0 to N, N is natural number, is generally 1023, so after SFN is numbered N, continuation, from 0 open numbering, starts next predetermined duty cycle.
Alternatively, before S21, subscriber equipment can also be set up BCH, and subscriber equipment, after setting up BCH, receives radio frames by monitoring BCH, thus the system message of obtaining.
S22: obtain the schedule information for each system information block of dispatching patcher message being carried in Master Information Block and Scheduling Block, schedule information is included in initial position and the dispatching cycle of system information block in predetermined duty cycle.
Wherein, after the Master Information Block in system message and Scheduling Block all receive, can obtain from Master Information Block and Scheduling Block the schedule information of all system information blocks.The initial position of system information block refers to the position that occurs first the radio frames at system information block place in a predetermined duty cycle, refers to dispatching cycle and take initial position as starting point, the cycle repeating in other positions.
S23: in radio frames receiving system block of information corresponding to the initial position of system information block, enter resting state in other radio frames.
Wherein, because Master Information Block and Scheduling Block all receive, so only need receiving system block of information, as a rule, if schedule information is not indicated the reception number of times of a system information block, a system information block acquiescence receives once so, and only in initial position receiving system block of information, the system information block repeating after initial position does not need again to receive.
Subscriber equipment can cut out BBP(Baseband Processor, baseband processor after entering resting state) and the power consumption higher element relevant with receiving system message such as radio-frequency (RF) component.
S24: be greater than Second Threshold if the quantity of the system information block not receiving is less than the lasting time of reception of first threshold or system message, in radio frames corresponding to the initial position of the system information block not receiving, receive the system information block not receiving, in other radio frames, enter resting state.
Wherein, because System information block may have polytype, these dissimilar system information blocks represent with SIBx, 1≤x≤18, and each type represents different contents.The initial position of each system message block type is not identical, and what have is very forward, have lean on very much after.Generally, the time of reception that receives whole system information blocks is 1～2 second.But in some cases, the configuration span of the initial position of continuation, minority system block of information is larger, according to the receive mode of each position receiving system block of information of prior art, time of reception is about 5 seconds.But in fact, within this time of 5 seconds, at first 1～2 second, most of system information block received, only the system information block of remaining only a few does not receive.Therefore, in order no longer to repeat to receive the system information block having received after 1～2 second, by first threshold and Second Threshold are set, to avoid blindly waiting for, receive the not system information block of reception, can also prevent that the system message having received is repeated.The quantity of the system information block not receiving can obtain by the schedule information of system information block and the system information block having received.The lasting time of reception of system message can be realized by timer, and the lasting time of reception of system message can start timing from receiving Master Information Block, also can be from receiving Master Information Block and Scheduling Block starts timing.
Certainly, if continue time of reception in the scope of Second Threshold, all system information blocks all receive, the handling process after can directly receiving.
In more embodiment, the method for reseptance of cell system message can only comprise S21, S22 and S23, does not comprise S24,
The method of reseptance of the cell system message of embodiment of the present invention obtains the schedule information of system information block by Master Information Block and Scheduling Block, schedule information is included in the initial position of system information block in predetermined duty cycle, then when receiving system block of information, only in radio frames corresponding to initial position, receive, other radio frames enters resting state, so not only can prevent that the system information block having received is repeated, can also prevent that Master Information Block and Scheduling Block are repeated, because the reception of system information block is no longer blindly carried out, compare prior art and have more specific aim, thereby solved the problem of the receiving course that prior art can not optimization system message, can reduce power consumption, save the electric weight of subscriber equipment, and can additionally not increase the time of reception of system message, and further, when the lasting time of reception that is less than first threshold or system message in the quantity of the system information block not receiving is greater than Second Threshold, only in the radio frames receiving system block of information corresponding to initial position of the system information block not receiving, due to the quantity of the system information block not receiving seldom, within the most of the time, subscriber equipment is all in resting state, all in running order in whole receiving course compared to prior art, can further increase dormancy time, significantly reduce power consumption.
Consulting Fig. 3, is the schematic flow sheet of method of reseptance second execution mode of cell system message of the present invention.The method of reseptance of cell system message comprises the following steps:
S31: Master Information Block and Scheduling Block in the system message of subscriber equipment reception Cell Broadcast CB, system message is transmitted with predetermined duty cycle in one group of radio frames.
S32: obtain the schedule information for each system information block of dispatching patcher message being carried in Master Information Block and Scheduling Block, schedule information is included in initial position, the dispatching cycle of system information block in predetermined duty cycle and repeats to receive number of times.
Wherein, S31 has the technical characterictic identical with S22 with the S21 of method of reseptance the first execution mode with S32, detailed process can be with reference to the associated description of the first execution mode, belong to those skilled in the art and hold intelligible scope, present embodiment difference is, what schedule information further comprised system information block repeats to receive number of times.
In actual applications, due in the predetermined duty cycle of system message, some system information block can change, and the system information block that change occurs so need to receive repeatedly, to guarantee that subscriber equipment receives up-to-date system information block.Certainly, even if system information block does not change, but for other purposes, what schedule information also can comprise system information block repeats to receive number of times.The reception that it should be noted that initial position is not included in and repeats to receive in number of times.
S33: according to the initial position of system information block and determine the repeatable position of system information block dispatching cycle.
Wherein, in the cycle period of system message, system information block can regularly repeat, the repeatable position of system information block is initial position+dispatching cycle * n, n is greater than 0 natural number, certainly, the value of n can not make the System Frame Number of radio frames corresponding to repeatable position be greater than the maximum system frame number of cycle period.
S34: in radio frames receiving system block of information corresponding to the initial position of system information block, according to system information block repeat receive number of times in radio frames receiving system block of information corresponding to the repeatable position of system information block, in other radio frames, enter resting state.
Wherein, after radio frames receiving system block of information corresponding to the initial position of system information block, repeatable position at system information block repeats receiving system block of information, for example repeating to receive number of times is 2 times, and so corresponding repeatable position is initial position+dispatching cycle * 1 and initial position+dispatching cycle * 2.Radio frames beyond above-mentioned initial position and radio frames corresponding to repeatable position enters resting state, to reduce power consumption.
In the present embodiment, by the initial position in schedule information and know the repeatable position of each system information block dispatching cycle, so when the receiving course of configuration-system block of information, only initial position and according to schedule information indication repeat receive number of times in corresponding radio frames receiving system block of information corresponding to repeatable position.In other radio frames, enter resting state, because the reception of system information block is no longer blindly carried out, compare prior art and have more specific aim, thereby solved the problem of the receiving course that prior art can not optimization system message, can reduce power consumption, save the electric weight of subscriber equipment.
Consulting Fig. 4, is the schematic flow sheet of method of reseptance the 3rd execution mode of cell system message of the present invention.The method of reseptance of cell system message comprises the following steps:
S41: Master Information Block and Scheduling Block in the system message of subscriber equipment reception Cell Broadcast CB, system message is transmitted with predetermined duty cycle in one group of radio frames.
S42: obtain the schedule information for each system information block of dispatching patcher message being carried in Master Information Block and Scheduling Block, system information block has a plurality of segmentations, schedule information is included in initial position, dispatching cycle, segmentation number and the segmentation sequence of system information block in predetermined duty cycle, and the initial position of system information block comprises the initial position of each segmentation.Be the dispatching cycle of system information block the dispatching cycle of each segmentation.
Wherein, S41 has the technical characterictic identical with S22 with the S21 of method of reseptance the first execution mode with S42, detailed process can be with reference to the associated description of the first execution mode, belong to those skilled in the art and hold intelligible scope, present embodiment difference is, system information block has a plurality of segmentations, and schedule information further comprises segmentation number and the segmentation sequence of system information block, and the initial position of system information block comprises the initial position of each segmentation.Be the dispatching cycle of system information block the dispatching cycle of each segmentation.
System information block can have polytype, and each type can also have a plurality of segmentations.Specifically, take system information block SIB5 as example, if segmentation number is three, illustrative system block of information SIB5 has three segmentations, and three segmentations are respectively with SIB5(1), SIB5(2), SIB5(3).SIB5(1 is indicated in segmentation sequence), SIB5(2), SIB5(3) sending order in system message.Each segmentation is transmitted separately in one or more radio frames, so each segmentation has initial position, but the dispatching cycle of all segmentations is all identical, identical with the dispatching cycle of system information block.
S43: judge whether segmentation sequence is ascending order, if so, segmentation sequence is ascending order, carries out S44, if not, segmentation sequence is not ascending order, carries out step S45.
Wherein, ascending order refer to system information block SIB5 three segmentations according to SIB5(1), SIB5(2), SIB5(3) transmission sequence.
S44: receive each segmentation in radio frames corresponding to the initial position of each segmentation, enter resting state in other radio frames.
Wherein, according to the requirement of some communication protocol, if system information block has segmentation, must sequentially receive these segmentations during receiving system block of information so, that is to say, if first segmentation receiving is not the segmentation of sequence first, will give up this segmentation.If segmentation sequence is ascending order, during subscriber equipment receives so segmentation, just from first the segmentation of sorting, start to receive, to sorting, last segmentation receives.Here still take system information block SIB5 three segmentations according to SIB5(1), SIB5(2), SIB5(3) be example, subscriber equipment receives SIB5(1 for the first time), meet communication protocol requirement, next receive successively SIB5(2) and SIB5(3), so each segmentation of system information block SIB5 only need to receive once, other radio frames after initial position enters resting state.
Being appreciated that in a lot of situations, is not that the system information block of every type all has segmentation, if system information block does not have segmentation, the initial position of segmentation can be thought the initial position of system information block so,
S45: according to segmentation sequence, determine the reception number of times of each segmentation, and according to the initial position of each segmentation and determine the repeatable position of each segmentation dispatching cycle.
Wherein, because segmentation sequence is not ascending order, the reception number of times of each segmentation needs depending on actual conditions so.Three segmentation SIB5(1 of supposing the system block of information SIB5), SIB5(2), the SIB5(3) SIB5(2 successively of the sequence of positions in dispatching cycle), SIB5(3), SIB5(1), so when receiving, SIB5(2) and SIB5(3) when receiving for the first time, be dropped, when receiving for the second time, just correctly receive, so reception number of times SIB5(1) is for once, reception number of times SIB5(2) is twice, and reception number of times SIB5(3) is twice.Suppose again three segmentation SIB5(3), SIB5(2), SIB5(1), so when receiving, SIB5(3) when receiving for first twice, be dropped, when receiving for the third time, just correctly receive, SIB5(2) when receiving for the first time, be dropped, when receiving for the second time, just correctly receive, so SIB5(1) reception number of times for once, SIB5(2) reception number of times is twice, and reception number of times SIB5(3) is three times.Visible, according to the sequence of positions of each segmentation, the reception number of times of each segmentation is at least once.
S46: receive each segmentation according to the reception number of times of each segmentation in initial position and the radio frames corresponding to repeatable position of each segmentation, enter resting state in other radio frames.
Wherein, the reception number of times of each segmentation is in the initial position of each segmentation and the number of times sum of repeatable position reception corresponding segment.
Present embodiment considers that system information block has a plurality of types, the system information block of each type likely has a plurality of segmentations, when the segmentation sequence of a plurality of segmentations of system information block is not ascending order, according to segmentation sequence, determine that the reception number of times of each segmentation both can guarantee that each segmentation of system information block can either correctly receive, and can reduce power consumption again.
Below in conjunction with table 1 and Fig. 5, as instantiation, present embodiment is elaborated.
The configuration of table 1 cell system message
| System message kind | Segments | Dispatching cycle | Initial | Deviant |
| MIB | ||||
| 1 | 8 | 0 | ? | |
| |
1 | 16 | 2 | ? |
| |
1 | 32 | 4 | ? |
| |
1 | 32 | 6 | ? |
| |
1 | 32 | 10 | ? |
| |
3 | 32 | 12 | 2，6 |
| |
1 | 64 | 86 | ? |
| |
2 | 280 | 54 | 4 |
In system message, Master Information Block and Scheduling Block do not have segmentation, and their segments is 1.For system information block, only have SIB5 to there is segmentation, segments is 3, and remaining does not have segmentation, and segments is 1.The position calculation mode of each piece is: dispatching cycle * k+ initial position+deviant, k is natural number (comprising zero).The piece without segmentation, deviant is defaulted as 0.
Fig. 5 is mutually corresponding with table 1.System message is transmitted in one group of specific radio frames, and the SFN of the radio frames of bearing system message meets corresponding scheduling rule.Each piece is carried by two radio frames.In a predetermined duty cycle of system message, all fragmented blocks of meeting broadcast system message.From table 1, can know dispatching cycle and the initial position of each system information block.
As shown in Figure 5, for SIB1, SIB2, SIB3 and SIB7, only in radio frames corresponding to their initial position, System Frame Number is that 4,6,10 and 86 radio frames receives once corresponding system information block.For SIB5 and SIB11, because their segmentation is sorted as ascending order, so only in radio frames corresponding to the initial position of each segmentation, System Frame Number is 12,14,54 and 58 once corresponding segmentation of radio frames reception.Other radio frames is all in resting state.
Furthermore, consider in front 22 radio frames, received except SIB7, SIB11(1) and SIB11(2) all data blocks, in front 56 radio frames, received except SIB7 and SIB11(2) all data blocks, remaining SIB7 only just starts to receive when the 86th radio frames, SIB11(2) only the 58th radio frames, just start to receive.If in each position receiving system block of information, will certainly cause and repeat to receive, waste power consumption.Therefore, in the time of can being arranged on the 22nd radio frames, reconfigure the receiving course of the system information block not receiving, only the 54th radio frames, receive SIB11(1), only the 58th radio frames, receive SIB11(2) and only the 86th radio frames, receive SIB7, all the other radio frames all enter resting state.
Consulting Fig. 6, is the structural representation of subscriber equipment the first execution mode of the present invention.Subscriber equipment comprises receiver module 61, acquisition module 62 and control module 63, certainly further can also comprise other module.
Receiver module 61 is for receiving Master Information Block and the Scheduling Block of the system message of Cell Broadcast CB, and system message is transmitted with predetermined duty cycle in one group of radio frames.Wherein, system message comprises Master Information Block, Scheduling Block and system information block.Master Information Block is for the schedule information of bearing system block of information, and Scheduling Block is used for the schedule information of carrying remaining system information block, and system information block comprises concrete data.System message is carried in one group of radio frames, can be broadcasted by BCH.System message can be carried in radio frames when sending after ASN.1 coding, after receiving system message radio frames, need to carry out ASN.1 decoding to system message so.Radio frames is as carrier, each radio frames has a SFN, each system message, be that Master Information Block, Scheduling Block and system information block can be associated with one or more SFN, for example, in certain embodiments, a system message can be corresponding to two SFN, and a system message is carried by two radio frames.The predetermined duty cycle of system message can be characterized by the SFN of radio frames, that is to say, a corresponding SFN of predetermined duty cycle numbers from 0 to N, N is natural number, is generally 1023, so after SFN is numbered N, continuation, from 0 open numbering, starts next predetermined duty cycle.
Alternatively, receiver module 61 need to first be set up BCH, and after setting up BCH, receiver module 61 receives radio frames by monitoring BCH, thus the system message of obtaining.
Alternatively, when the lasting time of reception that control module 63 is also less than first threshold or system message for the quantity of the system information block not receiving is greater than Second Threshold, in radio frames corresponding to the initial position of the system information block not receiving, control receiver module 61 and receive the system information block not receiving, in other radio frames, control receiver module 61 and enter resting state.Wherein, because System information block may have polytype, these dissimilar system information blocks represent with SIBx, 1≤x≤18, and each type represents different contents.The initial position of each system message block type is not identical, and what have is very forward, have lean on very much after.Generally, the time of reception that receives whole system information blocks is 1～2 second.But in some cases, the configuration span of the initial position of continuation, minority system block of information is larger, according to the receive mode of each position receiving system block of information of prior art, time of reception is about 5 seconds.But in fact, within this time of 5 seconds, at first 1～2 second, most of system information block received, only the system information block of remaining only a few does not receive.Therefore, in order no longer to repeat to receive the system information block having received after 1～2 second, by first threshold and Second Threshold are set, to avoid blindly waiting for, receive the not system information block of reception, can also prevent that the system message having received is repeated.Control module 63 can arrange the quantity of the system information block that counter obtains not receiving by the schedule information of system information block and the system information block that received.Control module 63 can arrange the lasting time of reception that timer function carrys out computing system message, and the lasting time of reception of system message can start timing from receiving Master Information Block, also can be from receiving Master Information Block and Scheduling Block starts timing.Certainly, if continue time of reception in the scope of Second Threshold, all system information blocks all receive, the handling process after control module 63 can directly receive.
The subscriber equipment of embodiment of the present invention obtains the schedule information of system information block by Master Information Block and Scheduling Block, schedule information is included in the initial position of system information block in predetermined duty cycle, then when receiving system block of information, only in radio frames corresponding to initial position, receive, other radio frames enters resting state, because the reception of system information block is no longer blindly carried out, compare prior art and have more specific aim, thereby solved the problem of the receiving course that prior art can not optimization system message, can reduce power consumption, save the electric weight of subscriber equipment, and can additionally not increase the time of reception of system message, and further, when the lasting time of reception that is less than first threshold or system message in the quantity of the system information block not receiving is greater than Second Threshold, further increase the time of resting state, all in running order in whole receiving course compared to prior art, can further increase dormancy time, significantly reduce power consumption.
Consulting Fig. 7, is the structural representation of subscriber equipment the second execution mode of the present invention.Subscriber equipment comprises receiver module 71, acquisition module 72, determination module 73 and control module 74.
In actual applications, due in the predetermined duty cycle of system message, some system information block can change, and the system information block that change occurs so need to receive repeatedly, to guarantee that subscriber equipment receives up-to-date system information block.Certainly, even if system information block does not change, but for other purposes, what schedule information also can comprise system information block repeats to receive number of times.The reception that it should be noted that initial position is not included in and repeats to receive in number of times.
Wherein, after radio frames receiving system block of information corresponding to the initial position of system information block, repeatable position at system information block repeats receiving system block of information, for example repeating to receive number of times is 2 times, and so corresponding repeatable position is initial position+dispatching cycle * 1 and initial position+dispatching cycle * 2.Radio frames beyond above-mentioned initial position and radio frames corresponding to repeatable position enters resting state, to reduce power consumption.
In the present embodiment, by the initial position in schedule information and know the repeatable position of each system information block dispatching cycle, so when the receiving course of configuration-system block of information, only initial position and according to schedule information indication repeat receive number of times in corresponding radio frames receiving system block of information corresponding to repeatable position.In other radio frames, enter resting state, because the reception of system information block is no longer blindly carried out, compare prior art and have more specific aim, thereby solved the problem of the receiving course that prior art can not optimization system message, can reduce power consumption, save the electric weight of subscriber equipment.
Consulting Fig. 8, is the structural representation of subscriber equipment of the present invention the 3rd execution mode.Subscriber equipment comprises receiver module 81, acquisition module 82 and control module 83, and control module 83 comprises judging unit 831, determining unit 832 and control unit 833.
The schedule information for each system information block of dispatching patcher message that is carried on Master Information Block and Scheduling Block that acquisition module 82 receives for obtaining receiver module 81, system information block has a plurality of segmentations, schedule information is included in initial position, dispatching cycle, segmentation number and the segmentation sequence of system information block in predetermined duty cycle, and the initial position of system information block comprises the initial position of each segmentation.Be the dispatching cycle of system information block the dispatching cycle of each segmentation.Wherein, receiver module 81 and acquisition module 82 have the technical characterictic identical with acquisition module 62 with the receiver module 61 of subscriber equipment the first execution mode, detailed process can be with reference to the associated description of receiver module 61 and acquisition module 62, belong to those skilled in the art and hold intelligible scope, present embodiment difference is, system information block has a plurality of segmentations, schedule information further comprises segmentation number and the segmentation sequence of system information block, and the initial position of system information block comprises the initial position of each segmentation.Be the dispatching cycle of system information block the dispatching cycle of each segmentation.System information block can have polytype, and each type can also have a plurality of segmentations.Specifically, take system information block SIB5 as example, if segmentation number is three, illustrative system block of information SIB5 has three segmentations, and three segmentations are respectively with SIB5(1), SIB5(2), SIB5(3).SIB5(1 is indicated in segmentation sequence), SIB5(2), SIB5(3) sending order in system message.Each segmentation is transmitted separately in one or more radio frames, so each segmentation has initial position, but the dispatching cycle of all segmentations is all identical, identical with the dispatching cycle of system information block.
Particularly, judging unit 831 is for judging whether segmentation sequence is ascending order.Wherein, ascending order refer to system information block SIB5 three segmentations according to SIB5(1), SIB5(2), SIB5(3) transmission sequence.
Determining unit 832 when determining segmentation sequence for ascending order at judging unit 831, is determined the reception number of times of each segmentation according to segmentation sequence, and according to the initial position of each segmentation and determine the repeatable position of each segmentation dispatching cycle.Wherein, because segmentation sequence is not ascending order, the reception number of times of each segmentation needs depending on actual conditions so.Three segmentation SIB5(1 of supposing the system block of information SIB5), SIB5(2), the SIB5(3) SIB5(2 successively of the sequence of positions in dispatching cycle), SIB5(3), SIB5(1), so when receiving, SIB5(2) and SIB5(3) when receiving for the first time, be dropped, when receiving for the second time, just correctly receive, so reception number of times SIB5(1) is for once, reception number of times SIB5(2) is twice, and reception number of times SIB5(3) is twice.Suppose again three segmentation SIB5(3), SIB5(2), SIB5(1), so when receiving, SIB5(3) when receiving for first twice, be dropped, when receiving for the third time, just correctly receive, SIB5(2) when receiving for the first time, be dropped, when receiving for the second time, just correctly receive, so SIB5(1) reception number of times for once, SIB5(2) reception number of times is twice, and reception number of times SIB5(3) is three times.Visible, according to the sequence of positions of each segmentation, the reception number of times of each segmentation is at least once.
Wherein, according to the requirement of some communication protocol, if system information block has segmentation, must sequentially receive these segmentations during receiving system block of information so, that is to say, if first segmentation receiving is not the segmentation of sequence first, will give up this segmentation.If segmentation sequence is ascending order, during subscriber equipment receives so segmentation, just from first the segmentation of sorting, start to receive, to sorting, last segmentation receives.Here still take system information block SIB5 three segmentations according to SIB5(1), SIB5(2), SIB5(3) be example, subscriber equipment receives SIB5(1 for the first time), meet communication protocol requirement, next receive successively SIB5(2) and SIB5(3), so each segmentation of system information block SIB5 only need to receive once, other radio frames after initial position enters resting state.Being appreciated that in a lot of situations, is not that the system information block of every type all has segmentation, if system information block does not have segmentation, the initial position of segmentation can be thought the initial position of system information block so.
Present embodiment considers that system information block has a plurality of types, the system information block of each type likely has a plurality of segmentations, when the segmentation sequence of a plurality of segmentations of system information block is not ascending order, according to segmentation sequence, determine that the reception number of times of each segmentation both can guarantee that each segmentation of system information block can either correctly receive, and can reduce power consumption again.
Embodiment of the present invention also provides a kind of communication system, and communication system comprises the subscriber equipment of above-mentioned arbitrary execution mode, and other structure of communication system please refer to prior art, is not describing in detail herein.
Consulting Fig. 9, is the structural representation of subscriber equipment of the present invention the 4th execution mode.Subscriber equipment comprises processor (processer) 91, memory (memory) 92, bus 93 and communication interface (communication interface) 94.Wherein, processor 91, memory 92 and communication interface 94 interconnect by bus 93.Communication interface 94 establishes a communications link for other equipment.
The stored program of processor 91 execute store 92, the method for reseptance providing for realizing embodiment of the present invention, comprising:
Master Information Block and Scheduling Block in the system message of reception Cell Broadcast CB, system message is transmitted with predetermined duty cycle in one group of radio frames.
Obtain the schedule information for each system information block of dispatching patcher message being carried in Master Information Block and Scheduling Block, schedule information is included in initial position and the dispatching cycle of system information block in predetermined duty cycle.
In radio frames receiving system block of information corresponding to the initial position of system information block, in other radio frames, enter resting state.
What alternatively, schedule information further comprised system information block repeats to receive number of times.Before the step of radio frames receiving system block of information corresponding to the initial position of system information block, also comprise: according to the initial position of system information block and determine the repeatable position of system information block dispatching cycle; Step in System Frame Number receiving system block of information corresponding to initial position also comprises: according to system information block repeat receive number of times in radio frames receiving system block of information corresponding to the repeatable position of system information block, in other radio frames, enter resting state.
Alternatively, system information block has a plurality of segmentations, and schedule information further comprises segmentation number and the segmentation sequence of system information block, and the initial position of system information block comprises the initial position of each segmentation.Be the dispatching cycle of system information block the dispatching cycle of each segmentation.The step in radio frames receiving system block of information corresponding to the initial position of system information block comprises: judge whether segmentation sequence is ascending order; If segmentation sequence, for ascending order, receives each segmentation in radio frames corresponding to the initial position of each segmentation; If segmentation sequence be ascending order, according to the reception number of times of definite each segmentation of segmentation sequence, and according to the initial position of each segmentation and determine the repeatable position of each segmentation dispatching cycle; According to the reception number of times of each segmentation, in initial position and the radio frames corresponding to repeatable position of each segmentation, receive each segmentation.
Alternatively, if the quantity of the system information block not receiving is less than the lasting time of reception of first threshold or system message and is greater than Second Threshold, in radio frames corresponding to the initial position of the system information block not receiving, receive the system information block not receiving, in other radio frames, enter resting state.
The specific implementation process of processor 91 can, referring to method of reseptance, the subscriber equipment of aforementioned embodiments, repeat no more herein.
In several execution modes provided by the present invention, should be understood that, disclosed system, apparatus and method, can realize by another way.For example, device embodiments described above is only schematic, for example, the division of described module or unit, be only that a kind of logic function is divided, during actual realization, can have other dividing mode, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, it can be by some interfaces that shown or discussed coupling each other or direct-coupling or communication connect, the indirect coupling of device or unit or communication connect, and can be electrically, machinery or other form.
The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the object of present embodiment scheme.
In addition, each functional unit in each execution mode of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, and also can adopt the form of SFU software functional unit to realize.
If the form of SFU software functional unit of usining described integrated unit realizes and during as production marketing independently or use, can be stored in a computer read/write memory medium.Understanding based on such, the all or part of of the part that technical scheme of the present invention contributes to prior art in essence in other words or this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, management server, or the network equipment etc.) or processor (processor) carry out all or part of step of method described in each execution mode of the present invention.And aforesaid storage medium comprises: various media that can be program code stored such as USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CDs.
The foregoing is only embodiments of the present invention; not thereby limit the scope of the invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (11)
1. a method of reseptance for cell system message, is characterized in that, comprising:
Master Information Block and Scheduling Block in the system message of subscriber equipment reception Cell Broadcast CB, described system message is transmitted with predetermined duty cycle in one group of radio frames;
Obtain be carried in described Master Information Block and described Scheduling Block for dispatching the schedule information of described each system information block of system message, described schedule information is included in initial position and the dispatching cycle of described system information block in described predetermined duty cycle;
In radio frames corresponding to the initial position of described system information block, receive described system information block, in other radio frames, enter resting state.
2. the method for reseptance of cell system message according to claim 1, it is characterized in that, what described schedule information further comprised described system information block repeats to receive number of times,, before radio frames corresponding to the initial position of described system information block receives the step of described system information block, described method of reseptance also comprises:
According to the initial position of described system information block and determine the repeatable position of described system information block dispatching cycle;
The described step that receives described system information block at System Frame Number corresponding to described initial position also comprises:
According to described system information block repeat receive number of times and receive described system information block in radio frames corresponding to the repeatable position of described system information block.
3. the method for reseptance of cell system message according to claim 1, it is characterized in that, described system information block has a plurality of segmentations, described schedule information further comprises segmentation number and the segmentation sequence of described system information block, and the initial position of described system information block comprises the initial position of described each segmentation.Be the dispatching cycle of described system information block the dispatching cycle of described each segmentation, the described step that receives described system information block in radio frames corresponding to the initial position of described system information block comprises:
Judge whether described segmentation sequence is ascending order;
If described segmentation sequence is ascending order, in radio frames corresponding to the initial position of described each segmentation, receive described each segmentation.
4. the method for reseptance of cell system message according to claim 3, is characterized in that, the described step that receives described system information block in radio frames corresponding to the initial position of described system information block also comprises:
If described segmentation sequence is not ascending order, according to described segmentation sequence, determine the reception number of times of described each segmentation, and according to the repeatable position of the initial position of described each segmentation and definite described each segmentation dispatching cycle;
According to the reception number of times of described each segmentation, in initial position and the radio frames corresponding to repeatable position of described each segmentation, receive described each segmentation.
5. according to the method for reseptance of the cell system message described in claim 1 to 4 any one, it is characterized in that, described method of reseptance also comprises:
If the quantity of the described system information block not receiving is less than the lasting time of reception of first threshold or described system message and is greater than Second Threshold, the system information block not receiving described in receiving in radio frames corresponding to the initial position of the described system information block not receiving, enters resting state in other radio frames.
6. a subscriber equipment, is characterized in that, comprises receiver module, acquisition module and control module, wherein,
Described receiver module is for receiving Master Information Block and the Scheduling Block of the system message of Cell Broadcast CB, and described system message is transmitted with predetermined duty cycle in one group of radio frames;
Described acquisition module for obtain be carried on described Master Information Block that described receiver module receives and described Scheduling Block for dispatching the schedule information of described each system information block of system message, described schedule information is included in initial position and the dispatching cycle of described system information block in described predetermined duty cycle;
Described control module receives described system information block for controlling described receiver module in radio frames corresponding to the initial position of described system information block, controls described receiver module enter resting state in other radio frames.
7. subscriber equipment according to claim 6, it is characterized in that, what described schedule information further comprised described system information block repeats to receive number of times, described subscriber equipment also comprises determination module, and described determination module is for according to the initial position of described system information block and determine the repeatable position of described system information block dispatching cycle;
Described control module also for according to described system information block repeat receive number of times and in radio frames corresponding to the repeatable position of described system information block, control described receiver module and receive described system information block.
8. subscriber equipment according to claim 6, it is characterized in that, described system information block has a plurality of segmentations, and described schedule information further comprises segmentation number and the segmentation sequence of described system information block, and the initial position of described system information block comprises the initial position of described each segmentation.Be the dispatching cycle of described system information block the dispatching cycle of described each segmentation, described control module comprises judging unit and control unit, wherein,
Described judging unit is used for judging whether described segmentation sequence is ascending order;
When described control unit is ascending order for determine described segmentation sequence at described judging unit, in radio frames corresponding to the initial position of described each segmentation, control described receiver module and receive described each segmentation, in other radio frames, control described receiver module and enter resting state.
9. subscriber equipment according to claim 8, it is characterized in that, described control module also comprises determining unit, when described determining unit is not ascending order for determine described segmentation sequence at described judging unit, according to described segmentation sequence, determine the reception number of times of described each segmentation, and according to the repeatable position of the initial position of described each segmentation and definite described each segmentation dispatching cycle;
Described control unit also, for receiving described each segmentation according to the reception number of times of definite described each segmentation of described determining unit in initial position and the radio frames corresponding to repeatable position of described each segmentation, is controlled described receiver module in other radio frames and is entered resting state.
10. according to the subscriber equipment described in claim 6 to 8 any one, it is characterized in that, when the lasting time of reception that described control module is also less than first threshold or described system message for the quantity of the described system information block not receiving is greater than Second Threshold, in the radio frames corresponding to initial position of the described system information block not receiving, control the system information block that described receiver module does not receive described in receiving, in other radio frames, control described receiver module and enter resting state.
11. 1 kinds of communication systems, is characterized in that, described communication system comprises according to the subscriber equipment described in claim 6-10 any one.
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| CN201310723957.4A CN103702394B (en) | 2013-12-24 | 2013-12-24 | Method of reseptance, user equipment and the communication system of cell system message |
| CN201810880636.8A CN108848546B (en) | 2013-12-24 | 2013-12-24 | Receiving method of cell system message, user equipment and communication system |
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| CN103702394B (en) | 2018-09-21 |
| CN108848546B (en) | 2021-01-29 |
| CN108848546A (en) | 2018-11-20 |
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